High-efficiency plastic extrusion equipment for plastic part processing

Abstract

The utility model belongs to the field of extruders, and particularly relates to high-efficiency plastic extrusion equipment for processing plastic parts, which comprises an extrusion box, an auger shaft is rotatably mounted in the middle of the extrusion box, an extrusion head is fixedly mounted at the front end of the extrusion box, and a motor is fixedly mounted at the rear end of the extrusion box. The end of the auger shaft extends to the outer side of the extrusion box and is coaxially and fixedly connected to the output end of the motor. A connecting shell is fixedly connected to the top end of the extrusion box, a feeding pipe is fixedly connected to the top of the connecting shell, a preheating barrel is fixedly installed on the top of the feeding pipe, a wrapping type heater is fixedly installed on the outer side wall of the preheating barrel, and a feeding barrel is installed above the preheating barrel; according to the utility model, the raw materials can be preheated before being added into the extrusion box, so that the raw materials can be quickly heated to a melting temperature after entering the extrusion box, the time for converting the raw materials into a molten state is shortened, and the production efficiency is favorably improved.

Description

Technical Field

[0001] The utility model relates to the field of extruders, in particular to high-efficiency plastic extrusion equipment for processing plastic parts. Background Art

[0002] With the development of modern science and technology, plastic extrusion molding technology has become an indispensable part of production and life, and is suitable for all polymer materials, and can mold almost all thermoplastics including food-grade plastics. In addition, plastic extrusion technology is also commonly used for plastic coloring, mixing, etc.

[0003] The patent with the publication number CN218535552U discloses a plastic extrusion forming device, including a feeding cylinder and an extrusion cylinder, the feeding cylinder and the extrusion cylinder are connected by a mounting cylinder, a filter is arranged between the mounting cylinder and the feeding cylinder, the filter includes a filter plate, at least two filter screens are arranged on the filter plate, the filter screens are lifted and lowered alternately corresponding to the discharge port of the feeding cylinder under the action of the filter cylinder, a feeder is arranged at one end of the feeding cylinder away from the mounting cylinder, a spiral feeding rod is installed in the feeding cylinder and the extrusion cylinder, and a plurality of heaters are evenly arranged on the inner wall of the feeding cylinder and the extrusion cylinder. The utility model can ensure sufficient molten material in the extrusion cylinder and stably output raw materials by arranging a feeding cylinder and an extrusion cylinder with a height difference.

[0004] However, during use, the above device needs to add the raw materials into the feeding barrel, and then heat the raw materials through the heater to make them molten, and the waiting time for the heating process is relatively long; therefore, in order to solve the above problem, a high-efficiency plastic extrusion equipment for plastic parts processing is proposed. Utility Model Content

[0005] In order to make up for the shortcomings of the prior art and solve the problem that the prior art device needs to add raw materials into a feeding barrel during use, and then heat the raw materials through a heater to make them molten, and the waiting time for the heating process is long, the utility model proposes a high-efficiency plastic extrusion equipment for plastic parts processing.

[0006] The technical solution adopted by the utility model to solve the technical problem is as follows: the utility model is a high-efficiency plastic extrusion device for plastic parts processing, comprising an extrusion box, a screw shaft is rotatably installed in the middle of the extrusion box, an extrusion head is fixedly installed at the front end of the extrusion box, a motor is fixedly installed at the rear end of the extrusion box, and the end of the screw shaft extends to the outside of the extrusion box and is coaxially fixedly connected to the output end of the motor;

[0007] A connecting shell is fixedly connected to the top of the extrusion box, a feed pipe is fixedly connected to the top of the connecting shell, a preheating barrel is fixedly installed on the top of the feed pipe, a wrapped heater is fixedly installed on the outer wall of the preheating barrel, a feeding barrel is installed above the preheating barrel, and a feed hopper is fixedly installed in the middle of the feeding barrel.

[0008] Preferably, a rotating frame is installed on the top of the preheating barrel, and the rotating frame is configured to be H-shaped, and the upper and lower sides of the rotating frame are respectively engaged with the preheating barrel and the feeding barrel, and a fixing plate is fixedly installed in the middle of the inner wall of the rotating frame, and a fixing rod 1 is fixedly installed in the middle of the bottom end of the fixing plate, and the fixing rod 1 extends to the bottom of the preheating barrel, and a stirring rod is symmetrically fixedly connected to the side wall of the fixing rod 1, and a conical gear ring is fixedly connected to the outer wall of the rotating frame, and a bevel gear is meshedly connected to the conical gear ring, and a rotating shaft is fixedly installed in the middle of the side wall of the bevel gear, and a pulley 2 is fixedly installed on the rotating shaft, and a pulley 1 is fixedly installed on the end of the auger shaft, and the pulley 1 and the pulley 2 are on the same vertical line, and the pulley 1 and the pulley 2 are movably connected through a transmission belt.

[0009] Preferably, a support rod is fixedly connected to the top of the extrusion box, and the support rod has two and is symmetrically arranged on both sides of the feeding barrel. A support frame is fixedly installed on the side wall of the feeding barrel, and the support frame is fixedly installed on the top of the support rod.

[0010] Preferably, the rotating shaft is rotatably mounted on the supporting rod.

[0011] Preferably, a control valve is installed on the feed pipe.

[0012] Preferably, a second fixing rod is fixedly connected to the middle of the top end of the fixing plate, a shifting rod is fixedly connected to the side wall of the second fixing rod, and the fixing rod and the shifting rod are arranged in the bottom opening of the feed hopper.

[0013] Preferably, the preheating barrel and the feeding barrel are clamped on the middle end of the rotating frame and are evenly rotatably mounted with multiple groups of balls, and the balls are in contact with the inner wall of the rotating frame.

[0014] The utility model is beneficial in that:

[0015] 1. The utility model can preheat the raw materials before adding them into the extrusion box by arranging the feeding barrel, the preheating barrel, the wrapped heater, the connecting pipe, the control valve and other structures, so that the raw materials can be quickly heated to the melting temperature when entering the extrusion box, which reduces the time for the raw materials to be converted into a molten state, and is conducive to improving production efficiency.

[0016] 2. The utility model is convenient for synchronously mixing and stirring the raw materials inside the preheating barrel by arranging structures such as a rotating frame, a fixed rod 1, a stirring rod, a conical gear ring, a bevel gear, a pulley 1, a pulley 2, and a transmission belt, so that the raw materials are heated more evenly and the heating efficiency is improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0018] Figure 1 It is a schematic diagram of the overall structure of the first embodiment;

[0019] Figure 2 is a cross-sectional view of embodiment 1;

[0020] Figure 3 For Example 1 Figure 2 A schematic diagram of the structure enlargement in the middle;

[0021] Figure 4 For Example 1 Figure 2 A magnified schematic diagram of the structure at B in the middle;

[0022] Figure 5 It is a schematic diagram of the structure of the ball of the second embodiment.

[0023] In the figure: 1. extrusion box; 2. motor; 3. connecting shell; 4. feed pipe; 5. preheating barrel; 6. wrapped heater; 7. support rod; 8. feeding barrel; 9. support frame; 10. auger shaft; 11. pulley 1; 12. transmission belt; 13. rotating shaft; 14. pulley 2; 15. bevel gear; 16. rotating frame; 17. fixed plate; 18. conical gear ring; 19. fixed rod 1; 20. stirring rod; 21. feed hopper; 22. extruder head; 23. control valve; 24. fixed rod 2; 25. lever; 26. ball bearing. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0025] Embodiment 1

[0026] See also Figure 1-4 As shown, a high-efficiency plastic extrusion device for processing plastic parts comprises an extrusion box 1, an auger shaft 10 is rotatably mounted in the middle of the extrusion box 1, an extrusion head 22 is fixedly mounted at the front end of the extrusion box 1, a motor 2 is fixedly mounted at the rear end of the extrusion box 1, and the end of the auger shaft 10 extends to the outside of the extrusion box 1 and is coaxially fixedly connected to the output end of the motor 2;

[0027] The top of the extrusion box 1 is fixedly connected with a connecting shell 3, the top of the connecting shell 3 is fixedly connected with a feeding pipe 4, the top of the feeding pipe 4 is fixedly installed with a preheating barrel 5, the outer wall of the preheating barrel 5 is fixedly installed with a sheathed heater 6, the top of the preheating barrel 5 is installed with a feeding barrel 8, and the middle of the feeding barrel 8 is fixedly installed with a feeding hopper 21; during operation, the raw materials are added into the preheating barrel 5 from the feeding barrel 8 and the feeding hopper 21, the raw materials inside the preheating barrel 5 are preheated by the sheathed heater 6 to reach a certain temperature, and then the raw materials are introduced into the extrusion box 1 through the feeding pipe 4 and the connecting shell 3, and then the raw materials are further heated by the heating system installed on the extrusion box 1 to melt and become a molten state, and then the auger shaft 10 is driven to rotate by the motor 2 to extrude the molten raw material into the extruder head 22, and the molten raw material is cooled, shaped and discharged by the extruder head 22, and the raw material can be quickly heated to the melting temperature by preheating so as to improve the production efficiency.

[0028] A rotating frame 16 is installed on the top of the preheating barrel 5, and the rotating frame 16 is set to an H shape. The upper and lower sides of the rotating frame 16 are respectively engaged with the preheating barrel 5 and the feeding barrel 8. A fixing plate 17 is fixedly installed in the middle of the inner wall of the rotating frame 16, and a fixing rod 19 is fixedly installed in the middle of the bottom end of the fixing plate 17. The fixing rod 19 extends to the bottom of the preheating barrel 5. The side wall of the fixing rod 19 is symmetrically fixedly connected with a stirring rod 20. A conical gear ring 18 is fixedly connected to the outer wall of the rotating frame 16, and a bevel gear 15 is meshed with the conical gear ring 18. A rotating shaft 13 is fixedly installed in the middle of the side wall of the bevel gear 15. The rotating shaft 1 3 is fixedly mounted with a pulley 14, and the end of the auger shaft 10 is fixedly mounted with a pulley 11, the pulley 11 and the pulley 2 14 are on the same vertical line, and the pulley 11 and the pulley 2 14 are movably connected through a transmission belt 12; when working, the motor 2 drives the auger shaft 10 to rotate, and at the same time, the rotating shaft 13 and the bevel gear 15 are synchronously driven to rotate through the pulley 11, the transmission belt 12 and the pulley 2 14, and then the bevel gear 15 drives the conical gear ring 18, the rotating frame 16, the fixed plate 17, the fixed rod 19 and the stirring rod 20 to rotate together, and the raw materials in the preheating barrel 5 are stirred by the stirring rod 20 so that the raw materials are evenly heated.

[0029] A support rod 7 is fixedly connected to the top of the extrusion box 1. The support rod 7 has two and is symmetrically arranged on both sides of a feeding barrel 8. A support frame 9 is fixedly installed on the side wall of the feeding barrel 8. The support frame 9 is fixedly installed on the top of the support rod 7. When working, the feeding barrel 8 is supported by the support rod 7 and the support frame 9.

[0030] The rotating shaft 13 is rotatably mounted on the support rod 7 ; when working, the rotating shaft 13 is supported by the support rod 7 .

[0031] The feed pipe 4 is provided with a control valve 23 ; during operation, when the raw material is preheated by the preheating barrel 5 , the control valve 23 is closed to prevent the raw material from falling downwards; after the heating is completed, the control valve 23 is opened to guide the raw material into the extrusion box 1 .

[0032] A second fixing rod 24 is fixedly connected to the middle of the top of the fixing plate 17, and a lever 25 is fixedly connected to the side wall of the second fixing rod 24. The fixing rod and the lever 25 are arranged in the bottom opening of the feed hopper 21. During operation, the rotation of the fixing plate 17 drives the second fixing rod 24 and the lever 25 to rotate, so as to facilitate the unblocking of the raw materials at the bottom of the feed hopper 21 and avoid blockage.

[0033] Embodiment 2

[0034] See also Figure 5 As shown, compared with Example 1, as another implementation mode of the utility model, the preheating barrel 5 and the feeding barrel 8 are engaged in the middle end of the rotating frame 16 and are evenly rotated and installed with multiple groups of balls 26, and the balls 26 are in contact with the inner wall of the rotating frame 16; when working, the friction between the preheating barrel 5, the feeding barrel 8 and the rotating frame 16 is reduced by setting the balls 26, so as to facilitate rotation.

[0035] In the description of this specification, the description with reference to the terms "one embodiment", "example", "specific example", etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0036] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments, and the above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, and these changes and improvements fall within the scope of the utility model to be protected.

Claims

1. A high-efficiency plastic extrusion equipment for plastic parts processing, characterized by: It comprises an extrusion box (1), an auger shaft (10) is rotatably mounted in the middle of the extrusion box (1), an extrusion head (22) is fixedly mounted at the front end of the extrusion box (1), a motor (2) is fixedly mounted at the rear end of the extrusion box (1), and the end of the auger shaft (10) extends to the outside of the extrusion box (1) and is coaxially fixedly connected to the output end of the motor (2); The top of the extrusion box (1) is fixedly connected to a connecting shell (3), the top of the connecting shell (3) is fixedly connected to a feeding pipe (4), the top of the feeding pipe (4) is fixedly installed with a preheating barrel (5), the outer wall of the preheating barrel (5) is fixedly installed with a sheathed heater (6), a feeding barrel (8) is installed above the preheating barrel (5), and a feeding hopper (21) is fixedly installed in the middle of the feeding barrel (8); A rotating frame (16) is installed on the top of the preheating barrel (5). The rotating frame (16) is arranged in an H shape. The upper and lower sides of the rotating frame (16) are respectively engaged with the preheating barrel (5) and the feeding barrel (8). A fixing plate (17) is fixedly installed in the middle of the inner wall of the rotating frame (16). A fixing rod (19) is fixedly installed in the middle of the bottom end of the fixing plate (17). The fixing rod (19) extends to the bottom of the preheating barrel (5). The side wall of the fixing rod (19) is symmetrically fixedly connected with a stirring rod (20). A conical gear ring (18) is fixedly connected to the outer wall of the movable frame (16), and a bevel gear (15) is meshedly connected to the conical gear ring (18). A rotating shaft (13) is fixedly installed in the middle of the side wall of the bevel gear (15), and a second pulley (14) is fixedly installed on the rotating shaft (13). A first pulley (11) is fixedly installed on the end of the auger shaft (10), and the first pulley (11) and the second pulley (14) are on the same vertical line. The first pulley (11) and the second pulley (14) are movably connected through a transmission belt (12).

2. The high-efficiency plastic extrusion equipment for plastic parts processing according to claim 1 is characterized in that: The top of the extrusion box (1) is fixedly connected to a support rod (7), and the support rod (7) has two and is symmetrically arranged on both sides of the feeding barrel (8). A support frame (9) is fixedly installed on the side wall of the feeding barrel (8), and the support frame (9) is fixedly installed on the top of the support rod (7).

3. The high-efficiency plastic extrusion equipment for plastic parts processing according to claim 2, characterized in that: The rotating shaft (13) is rotatably mounted on the supporting rod (7).

4. The high-efficiency plastic extrusion equipment for plastic parts processing according to claim 3 is characterized in that: A control valve (23) is installed on the feed pipe (4).

5. The high-efficiency plastic extrusion equipment for plastic parts processing according to claim 4 is characterized in that: A second fixing rod (24) is fixedly connected to the middle of the top end of the fixing plate (17), a shifting rod (25) is fixedly connected to the side wall of the second fixing rod (24), and the fixing rod and the shifting rod (25) are arranged in the bottom opening of the feed hopper (21).

6. The high-efficiency plastic extrusion equipment for plastic parts processing according to claim 5, characterized in that: The preheating barrel (5) and the feeding barrel (8) are clamped on the middle end of the rotating frame (16) and are evenly rotatably mounted with multiple groups of balls (26), and the balls (26) are in contact with the inner wall of the rotating frame (16).

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